變還是不變得看對應的那個對象的Scope。估計你是對scope有點疑惑，spring中每個scope類都實現了org.springframework.beans.factory.config.Scope接口，然后注冊到org.springframework.beans.factory.config.CustomScopeConfigurer中。每次獲取bean的時候底層都是訪問Scope來獲取的，你也可以定義自己的Scope。比如

public?class?ThreadScope?implements?org.springframework.beans.factory.config.Scope?{
????private?final?ThreadLocal<Map<String,?Object>>?SCOPE_THREAD?=?new?ThreadLocal()?{
????????@Override
????????protected?Object?initialValue()?{
????????????return?new?HashMap<String,?Object>();
????????}
????};

????@Override
????public?Object?get(String?name,?ObjectFactory<?>?objectFactory)?{
????????if?(SCOPE_THREAD.get().containsKey(name))?{
????????????return?SCOPE_THREAD.get().get(name);
????????}
????????SCOPE_THREAD.get().put(name,?objectFactory.getObject());
????????return?SCOPE_THREAD.get().get(name);
????}

????@Override
????public?Object?remove(String?name)?{
????????return?SCOPE_THREAD.get().remove(name);
????}

????//空實現代表不讓spring容器管理bean
????@Override
????public?void?registerDestructionCallback(String?s,?Runnable?runnable)?{

????}

????@Override
????public?Object?resolveContextualObject(String?s)?{
????????return?null;
????}

????@Override
????public?String?getConversationId()?{
????????return?null;
????}
}

然后注冊：

<bean?class="org.springframework.beans.factory.config.CustomScopeConfigurer">
????<property?name="scopes">
????????<map>
????????????<entry?key="thread">
????????????????<bean?class="xx.xx.xx.ThreadScope"></bean>
????????????</entry>
????????</map>
????</property>
</bean>

這樣就OK了，這個Scope就是每個線程的bean都是同一個